IR2151(Old_V) Просмотр технического описания (PDF) - International Rectifier

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IR2151
(Rev.:Old_V)

SELF-OSCILLATING HALF-BRIDGE DRIVER

International Rectifier 

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Data Sheet No. PD-6.034G

IR2151

SELF-OSCILLATING HALF-BRIDGE DRIVER

Features

Product Summary

n Floating channel designed for bootstrap operation

Fully operational to +600V

Tolerant to negative transient voltage

dV/dt immune

n Undervoltage lockout

n Programmable oscillator frequency

f=

1

1.4 × (RT + 75Ω) × CT

n Matched propagation delay for both channels

n Low side output in phase with RT

Description

VOFFSET

600V max.

Duty Cycle

50%

IO+/-

100 mA / 210 mA

VOUT

10 - 20V

Deadtime (typ.)

1.2 µs

Packages

The IR2151 is a high voltage, high speed, self-os-

cillating power MOSFET and IGBT driver with both high

and low side referenced output channels. Proprietary

HVIC and latch immune CMOS technologies enable

ruggedized monolithic construction.The front end fea-

tures a programmable oscillator which is similar to the

555 timer. The output drivers feature a high pulse cur-

rent buffer stage and an internal deadtime designed for

minimum driver cross-conduction. Propagation delays

for the two channels are matched to simplify use in

50% duty cycle applications. The floating channel can

be used to drive an N-channel power MOSFET or IGBT

in the high side configuration that operates off a high

voltage rail up to 600 volts.

Typical Connection

up to 600V

V CC

VB

RT

HO

CT

VS

COM

LO

TO

LOAD

To Order

CONTROL INTEGRATED CIRCUIT DESIGNERS’ MANUAL B-187

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